Capsule Endoscopy Crohn's Disease Activity Index - Validation Multi Center Study

The Study 1. Prospective trial of the Niv score validating score against known activity indices - see addendum A for Niv score 2. Known Crohn's disease patients undergoing capsule endoscopy are identified - see addendum B for inclusion/exclusion criteria 3. Prior to capsule exam, temperature is taken, height and weight measured, bloods are drawn for albumin, ESR, HCT, CRP 4. Prior to capsule exam, symptom/exam questionnaire is completed - see addendum C for questionnaire 5. Capsule exam is performed 6. CD of de-identified is made at the study site. 7. Landmarks are confirmed and the small bowel transit time is divided into 2 and labeled on thumbnails 8. CDs are copied 9. CDs of study patients are provided to blinded readers